Optical Illusions > Relative Sizes

cubes orange-purple Cubes: how many

Do you see 6 or 7 cubes in the illusion?

circles - bw Inner Circle

Which of the inner circles are bigger? Would you believe both are the same size?

image larger illusion Larger/Smaller object

It looks like they pieces are different sizes but they are not.

which line is longer illusion Which line is longer

Which line is longer AB or BC? Take a ruler and measure to find your answer.